sound/pci/ice1712/ice1724.c

   1 /*
   2  *   ALSA driver for VT1724 ICEnsemble ICE1724 / VIA VT1724 (Envy24HT)
   3  *                   VIA VT1720 (Envy24PT)
   4  *
   5  *      Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
   6  *                    2002 James Stafford <jstafford@ampltd.com>
   7  *                    2003 Takashi Iwai <tiwai@suse.de>
   8  *
   9  *   This program is free software; you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License as published by
  11  *   the Free Software Foundation; either version 2 of the License, or
  12  *   (at your option) any later version.
  13  *
  14  *   This program is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *   GNU General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU General Public License
  20  *   along with this program; if not, write to the Free Software
  21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  22  *
  23  */
  24
  25 #include <linux/io.h>
  26 #include <linux/delay.h>
  27 #include <linux/interrupt.h>
  28 #include <linux/init.h>
  29 #include <linux/pci.h>
  30 #include <linux/slab.h>
  31 #include <linux/module.h>
  32 #include <linux/mutex.h>
  33 #include <sound/core.h>
  34 #include <sound/info.h>
  35 #include <sound/rawmidi.h>
  36 #include <sound/initval.h>
  37
  38 #include <sound/asoundef.h>
  39
  40 #include "ice1712.h"
  41 #include "envy24ht.h"
  42
  43 /* lowlevel routines */
  44 #include "amp.h"
  45 #include "revo.h"
  46 #include "aureon.h"
  47 #include "vt1720_mobo.h"
  48 #include "pontis.h"
  49 #include "prodigy192.h"
  50 #include "prodigy_hifi.h"
  51 #include "juli.h"
  52 #include "maya44.h"
  53 #include "phase.h"
  54 #include "wtm.h"
  55 #include "se.h"
  56 #include "quartet.h"
  57
  58 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  59 MODULE_DESCRIPTION("VIA ICEnsemble ICE1724/1720 (Envy24HT/PT)");
  60 MODULE_LICENSE("GPL");
  61 MODULE_SUPPORTED_DEVICE("{"
  62                REVO_DEVICE_DESC
  63                AMP_AUDIO2000_DEVICE_DESC
  64                AUREON_DEVICE_DESC
  65                VT1720_MOBO_DEVICE_DESC
  66                PONTIS_DEVICE_DESC
  67                PRODIGY192_DEVICE_DESC
  68                PRODIGY_HIFI_DEVICE_DESC
  69                JULI_DEVICE_DESC
  70                MAYA44_DEVICE_DESC
  71                PHASE_DEVICE_DESC
  72                WTM_DEVICE_DESC
  73                SE_DEVICE_DESC
  74                QTET_DEVICE_DESC
  75                 "{VIA,VT1720},"
  76                 "{VIA,VT1724},"
  77                 "{ICEnsemble,Generic ICE1724},"
  78                 "{ICEnsemble,Generic Envy24HT}"
  79                 "{ICEnsemble,Generic Envy24PT}}");
  80
  81 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  82 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  83 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;             /* Enable this card */
  84 static char *model[SNDRV_CARDS];
  85
  86 module_param_array(index, int, NULL, 0444);
  87 MODULE_PARM_DESC(index, "Index value for ICE1724 soundcard.");
  88 module_param_array(id, charp, NULL, 0444);
  89 MODULE_PARM_DESC(id, "ID string for ICE1724 soundcard.");
  90 module_param_array(enable, bool, NULL, 0444);
  91 MODULE_PARM_DESC(enable, "Enable ICE1724 soundcard.");
  92 module_param_array(model, charp, NULL, 0444);
  93 MODULE_PARM_DESC(model, "Use the given board model.");
  94
  95
  96 /* Both VT1720 and VT1724 have the same PCI IDs */
  97 static DEFINE_PCI_DEVICE_TABLE(snd_vt1724_ids) = {
  98         { PCI_VDEVICE(ICE, PCI_DEVICE_ID_VT1724), 0 },
  99         { 0, }
 100 };
 101
 102 MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
 103
 104
 105 static int PRO_RATE_LOCKED;
 106 static int PRO_RATE_RESET = 1;
 107 static unsigned int PRO_RATE_DEFAULT = 44100;
 108
 109 static char *ext_clock_names[1] = { "IEC958 In" };
 110
 111 /*
 112  *  Basic I/O
 113  */
 114
 115 /*
 116  *  default rates, default clock routines
 117  */
 118
 119 /* check whether the clock mode is spdif-in */
 120 static inline int stdclock_is_spdif_master(struct snd_ice1712 *ice)
 121 {
 122         return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
 123 }
 124
 125 /*
 126  * locking rate makes sense only for internal clock mode
 127  */
 128 static inline int is_pro_rate_locked(struct snd_ice1712 *ice)
 129 {
 130         return (!ice->is_spdif_master(ice)) && PRO_RATE_LOCKED;
 131 }
 132
 133 /*
 134  * ac97 section
 135  */
 136
 137 static unsigned char snd_vt1724_ac97_ready(struct snd_ice1712 *ice)
 138 {
 139         unsigned char old_cmd;
 140         int tm;
 141         for (tm = 0; tm < 0x10000; tm++) {
 142                 old_cmd = inb(ICEMT1724(ice, AC97_CMD));
 143                 if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
 144                         continue;
 145                 if (!(old_cmd & VT1724_AC97_READY))
 146                         continue;
 147                 return old_cmd;
 148         }
 149         snd_printd(KERN_ERR "snd_vt1724_ac97_ready: timeout\n");
 150         return old_cmd;
 151 }
 152
 153 static int snd_vt1724_ac97_wait_bit(struct snd_ice1712 *ice, unsigned char bit)
 154 {
 155         int tm;
 156         for (tm = 0; tm < 0x10000; tm++)
 157                 if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
 158                         return 0;
 159         snd_printd(KERN_ERR "snd_vt1724_ac97_wait_bit: timeout\n");
 160         return -EIO;
 161 }
 162
 163 static void snd_vt1724_ac97_write(struct snd_ac97 *ac97,
 164                                   unsigned short reg,
 165                                   unsigned short val)
 166 {
 167         struct snd_ice1712 *ice = ac97->private_data;
 168         unsigned char old_cmd;
 169
 170         old_cmd = snd_vt1724_ac97_ready(ice);
 171         old_cmd &= ~VT1724_AC97_ID_MASK;
 172         old_cmd |= ac97->num;
 173         outb(reg, ICEMT1724(ice, AC97_INDEX));
 174         outw(val, ICEMT1724(ice, AC97_DATA));
 175         outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
 176         snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
 177 }
 178
 179 static unsigned short snd_vt1724_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
 180 {
 181         struct snd_ice1712 *ice = ac97->private_data;
 182         unsigned char old_cmd;
 183
 184         old_cmd = snd_vt1724_ac97_ready(ice);
 185         old_cmd &= ~VT1724_AC97_ID_MASK;
 186         old_cmd |= ac97->num;
 187         outb(reg, ICEMT1724(ice, AC97_INDEX));
 188         outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
 189         if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
 190                 return ~0;
 191         return inw(ICEMT1724(ice, AC97_DATA));
 192 }
 193
 194
 195 /*
 196  * GPIO operations
 197  */
 198
 199 /* set gpio direction 0 = read, 1 = write */
 200 static void snd_vt1724_set_gpio_dir(struct snd_ice1712 *ice, unsigned int data)
 201 {
 202         outl(data, ICEREG1724(ice, GPIO_DIRECTION));
 203         inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
 204 }
 205
 206 /* get gpio direction 0 = read, 1 = write */
 207 static unsigned int snd_vt1724_get_gpio_dir(struct snd_ice1712 *ice)
 208 {
 209         return inl(ICEREG1724(ice, GPIO_DIRECTION));
 210 }
 211
 212 /* set the gpio mask (0 = writable) */
 213 static void snd_vt1724_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
 214 {
 215         outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
 216         if (!ice->vt1720) /* VT1720 supports only 16 GPIO bits */
 217                 outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
 218         inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
 219 }
 220
 221 static unsigned int snd_vt1724_get_gpio_mask(struct snd_ice1712 *ice)
 222 {
 223         unsigned int mask;
 224         if (!ice->vt1720)
 225                 mask = (unsigned int)inb(ICEREG1724(ice, GPIO_WRITE_MASK_22));
 226         else
 227                 mask = 0;
 228         mask = (mask << 16) | inw(ICEREG1724(ice, GPIO_WRITE_MASK));
 229         return mask;
 230 }
 231
 232 static void snd_vt1724_set_gpio_data(struct snd_ice1712 *ice, unsigned int data)
 233 {
 234         outw(data, ICEREG1724(ice, GPIO_DATA));
 235         if (!ice->vt1720)
 236                 outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
 237         inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
 238 }
 239
 240 static unsigned int snd_vt1724_get_gpio_data(struct snd_ice1712 *ice)
 241 {
 242         unsigned int data;
 243         if (!ice->vt1720)
 244                 data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
 245         else
 246                 data = 0;
 247         data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
 248         return data;
 249 }
 250
 251 /*
 252  * MIDI
 253  */
 254
 255 static void vt1724_midi_clear_rx(struct snd_ice1712 *ice)
 256 {
 257         unsigned int count;
 258
 259         for (count = inb(ICEREG1724(ice, MPU_RXFIFO)); count > 0; --count)
 260                 inb(ICEREG1724(ice, MPU_DATA));
 261 }
 262
 263 static inline struct snd_rawmidi_substream *
 264 get_rawmidi_substream(struct snd_ice1712 *ice, unsigned int stream)
 265 {
 266         return list_first_entry(&ice->rmidi[0]->streams[stream].substreams,
 267                                 struct snd_rawmidi_substream, list);
 268 }
 269
 270 static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable);
 271
 272 static void vt1724_midi_write(struct snd_ice1712 *ice)
 273 {
 274         struct snd_rawmidi_substream *s;
 275         int count, i;
 276         u8 buffer[32];
 277
 278         s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_OUTPUT);
 279         count = 31 - inb(ICEREG1724(ice, MPU_TXFIFO));
 280         if (count > 0) {
 281                 count = snd_rawmidi_transmit(s, buffer, count);
 282                 for (i = 0; i < count; ++i)
 283                         outb(buffer[i], ICEREG1724(ice, MPU_DATA));
 284         }
 285         /* mask irq when all bytes have been transmitted.
 286          * enabled again in output_trigger when the new data comes in.
 287          */
 288         enable_midi_irq(ice, VT1724_IRQ_MPU_TX,
 289                         !snd_rawmidi_transmit_empty(s));
 290 }
 291
 292 static void vt1724_midi_read(struct snd_ice1712 *ice)
 293 {
 294         struct snd_rawmidi_substream *s;
 295         int count, i;
 296         u8 buffer[32];
 297
 298         s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_INPUT);
 299         count = inb(ICEREG1724(ice, MPU_RXFIFO));
 300         if (count > 0) {
 301                 count = min(count, 32);
 302                 for (i = 0; i < count; ++i)
 303                         buffer[i] = inb(ICEREG1724(ice, MPU_DATA));
 304                 snd_rawmidi_receive(s, buffer, count);
 305         }
 306 }
 307
 308 /* call with ice->reg_lock */
 309 static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable)
 310 {
 311         u8 mask = inb(ICEREG1724(ice, IRQMASK));
 312         if (enable)
 313                 mask &= ~flag;
 314         else
 315                 mask |= flag;
 316         outb(mask, ICEREG1724(ice, IRQMASK));
 317 }
 318
 319 static void vt1724_enable_midi_irq(struct snd_rawmidi_substream *substream,
 320                                    u8 flag, int enable)
 321 {
 322         struct snd_ice1712 *ice = substream->rmidi->private_data;
 323
 324         spin_lock_irq(&ice->reg_lock);
 325         enable_midi_irq(ice, flag, enable);
 326         spin_unlock_irq(&ice->reg_lock);
 327 }
 328
 329 static int vt1724_midi_output_open(struct snd_rawmidi_substream *s)
 330 {
 331         return 0;
 332 }
 333
 334 static int vt1724_midi_output_close(struct snd_rawmidi_substream *s)
 335 {
 336         return 0;
 337 }
 338
 339 static void vt1724_midi_output_trigger(struct snd_rawmidi_substream *s, int up)
 340 {
 341         struct snd_ice1712 *ice = s->rmidi->private_data;
 342         unsigned long flags;
 343
 344         spin_lock_irqsave(&ice->reg_lock, flags);
 345         if (up) {
 346                 ice->midi_output = 1;
 347                 vt1724_midi_write(ice);
 348         } else {
 349                 ice->midi_output = 0;
 350                 enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
 351         }
 352         spin_unlock_irqrestore(&ice->reg_lock, flags);
 353 }
 354
 355 static void vt1724_midi_output_drain(struct snd_rawmidi_substream *s)
 356 {
 357         struct snd_ice1712 *ice = s->rmidi->private_data;
 358         unsigned long timeout;
 359
 360         vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_TX, 0);
 361         /* 32 bytes should be transmitted in less than about 12 ms */
 362         timeout = jiffies + msecs_to_jiffies(15);
 363         do {
 364                 if (inb(ICEREG1724(ice, MPU_CTRL)) & VT1724_MPU_TX_EMPTY)
 365                         break;
 366                 schedule_timeout_uninterruptible(1);
 367         } while (time_after(timeout, jiffies));
 368 }
 369
 370 static struct snd_rawmidi_ops vt1724_midi_output_ops = {
 371         .open = vt1724_midi_output_open,
 372         .close = vt1724_midi_output_close,
 373         .trigger = vt1724_midi_output_trigger,
 374         .drain = vt1724_midi_output_drain,
 375 };
 376
 377 static int vt1724_midi_input_open(struct snd_rawmidi_substream *s)
 378 {
 379         vt1724_midi_clear_rx(s->rmidi->private_data);
 380         vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 1);
 381         return 0;
 382 }
 383
 384 static int vt1724_midi_input_close(struct snd_rawmidi_substream *s)
 385 {
 386         vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 0);
 387         return 0;
 388 }
 389
 390 static void vt1724_midi_input_trigger(struct snd_rawmidi_substream *s, int up)
 391 {
 392         struct snd_ice1712 *ice = s->rmidi->private_data;
 393         unsigned long flags;
 394
 395         spin_lock_irqsave(&ice->reg_lock, flags);
 396         if (up) {
 397                 ice->midi_input = 1;
 398                 vt1724_midi_read(ice);
 399         } else {
 400                 ice->midi_input = 0;
 401         }
 402         spin_unlock_irqrestore(&ice->reg_lock, flags);
 403 }
 404
 405 static struct snd_rawmidi_ops vt1724_midi_input_ops = {
 406         .open = vt1724_midi_input_open,
 407         .close = vt1724_midi_input_close,
 408         .trigger = vt1724_midi_input_trigger,
 409 };
 410
 411
 412 /*
 413  *  Interrupt handler
 414  */
 415
 416 static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
 417 {
 418         struct snd_ice1712 *ice = dev_id;
 419         unsigned char status;
 420         unsigned char status_mask =
 421                 VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX | VT1724_IRQ_MTPCM;
 422         int handled = 0;
 423         int timeout = 0;
 424
 425         while (1) {
 426                 status = inb(ICEREG1724(ice, IRQSTAT));
 427                 status &= status_mask;
 428                 if (status == 0)
 429                         break;
 430                 spin_lock(&ice->reg_lock);
 431                 if (++timeout > 10) {
 432                         status = inb(ICEREG1724(ice, IRQSTAT));
 433                         printk(KERN_ERR "ice1724: Too long irq loop, "
 434                                "status = 0x%x\n", status);
 435                         if (status & VT1724_IRQ_MPU_TX) {
 436                                 printk(KERN_ERR "ice1724: Disabling MPU_TX\n");
 437                                 enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
 438                         }
 439                         spin_unlock(&ice->reg_lock);
 440                         break;
 441                 }
 442                 handled = 1;
 443                 if (status & VT1724_IRQ_MPU_TX) {
 444                         if (ice->midi_output)
 445                                 vt1724_midi_write(ice);
 446                         else
 447                                 enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
 448                         /* Due to mysterical reasons, MPU_TX is always
 449                          * generated (and can't be cleared) when a PCM
 450                          * playback is going.  So let's ignore at the
 451                          * next loop.
 452                          */
 453                         status_mask &= ~VT1724_IRQ_MPU_TX;
 454                 }
 455                 if (status & VT1724_IRQ_MPU_RX) {
 456                         if (ice->midi_input)
 457                                 vt1724_midi_read(ice);
 458                         else
 459                                 vt1724_midi_clear_rx(ice);
 460                 }
 461                 /* ack MPU irq */
 462                 outb(status, ICEREG1724(ice, IRQSTAT));
 463                 spin_unlock(&ice->reg_lock);
 464                 if (status & VT1724_IRQ_MTPCM) {
 465                         /*
 466                          * Multi-track PCM
 467                          * PCM assignment are:
 468                          * Playback DMA0 (M/C) = playback_pro_substream
 469                          * Playback DMA1 = playback_con_substream_ds[0]
 470                          * Playback DMA2 = playback_con_substream_ds[1]
 471                          * Playback DMA3 = playback_con_substream_ds[2]
 472                          * Playback DMA4 (SPDIF) = playback_con_substream
 473                          * Record DMA0 = capture_pro_substream
 474                          * Record DMA1 = capture_con_substream
 475                          */
 476                         unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
 477                         if (mtstat & VT1724_MULTI_PDMA0) {
 478                                 if (ice->playback_pro_substream)
 479                                         snd_pcm_period_elapsed(ice->playback_pro_substream);
 480                         }
 481                         if (mtstat & VT1724_MULTI_RDMA0) {
 482                                 if (ice->capture_pro_substream)
 483                                         snd_pcm_period_elapsed(ice->capture_pro_substream);
 484                         }
 485                         if (mtstat & VT1724_MULTI_PDMA1) {
 486                                 if (ice->playback_con_substream_ds[0])
 487                                         snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
 488                         }
 489                         if (mtstat & VT1724_MULTI_PDMA2) {
 490                                 if (ice->playback_con_substream_ds[1])
 491                                         snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
 492                         }
 493                         if (mtstat & VT1724_MULTI_PDMA3) {
 494                                 if (ice->playback_con_substream_ds[2])
 495                                         snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
 496                         }
 497                         if (mtstat & VT1724_MULTI_PDMA4) {
 498                                 if (ice->playback_con_substream)
 499                                         snd_pcm_period_elapsed(ice->playback_con_substream);
 500                         }
 501                         if (mtstat & VT1724_MULTI_RDMA1) {
 502                                 if (ice->capture_con_substream)
 503                                         snd_pcm_period_elapsed(ice->capture_con_substream);
 504                         }
 505                         /* ack anyway to avoid freeze */
 506                         outb(mtstat, ICEMT1724(ice, IRQ));
 507                         /* ought to really handle this properly */
 508                         if (mtstat & VT1724_MULTI_FIFO_ERR) {
 509                                 unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
 510                                 outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));
 511                                 outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));
 512                                 /* If I don't do this, I get machine lockup due to continual interrupts */
 513                         }
 514
 515                 }
 516         }
 517         return IRQ_RETVAL(handled);
 518 }
 519
 520 /*
 521  *  PCM code - professional part (multitrack)
 522  */
 523
 524 static unsigned int rates[] = {
 525         8000, 9600, 11025, 12000, 16000, 22050, 24000,
 526         32000, 44100, 48000, 64000, 88200, 96000,
 527         176400, 192000,
 528 };
 529
 530 static struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
 531         .count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
 532         .list = rates,
 533         .mask = 0,
 534 };
 535
 536 static struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
 537         .count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
 538         .list = rates,
 539         .mask = 0,
 540 };
 541
 542 static struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
 543         .count = ARRAY_SIZE(rates),
 544         .list = rates,
 545         .mask = 0,
 546 };
 547
 548 struct vt1724_pcm_reg {
 549         unsigned int addr;      /* ADDR register offset */
 550         unsigned int size;      /* SIZE register offset */
 551         unsigned int count;     /* COUNT register offset */
 552         unsigned int start;     /* start & pause bit */
 553 };
 554
 555 static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 556 {
 557         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 558         unsigned char what;
 559         unsigned char old;
 560         struct snd_pcm_substream *s;
 561
 562         what = 0;
 563         snd_pcm_group_for_each_entry(s, substream) {
 564                 if (snd_pcm_substream_chip(s) == ice) {
 565                         const struct vt1724_pcm_reg *reg;
 566                         reg = s->runtime->private_data;
 567                         what |= reg->start;
 568                         snd_pcm_trigger_done(s, substream);
 569                 }
 570         }
 571
 572         switch (cmd) {
 573         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 574         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 575                 spin_lock(&ice->reg_lock);
 576                 old = inb(ICEMT1724(ice, DMA_PAUSE));
 577                 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
 578                         old |= what;
 579                 else
 580                         old &= ~what;
 581                 outb(old, ICEMT1724(ice, DMA_PAUSE));
 582                 spin_unlock(&ice->reg_lock);
 583                 break;
 584
 585         case SNDRV_PCM_TRIGGER_START:
 586         case SNDRV_PCM_TRIGGER_STOP:
 587         case SNDRV_PCM_TRIGGER_SUSPEND:
 588                 spin_lock(&ice->reg_lock);
 589                 old = inb(ICEMT1724(ice, DMA_CONTROL));
 590                 if (cmd == SNDRV_PCM_TRIGGER_START)
 591                         old |= what;
 592                 else
 593                         old &= ~what;
 594                 outb(old, ICEMT1724(ice, DMA_CONTROL));
 595                 spin_unlock(&ice->reg_lock);
 596                 break;
 597
 598         case SNDRV_PCM_TRIGGER_RESUME:
 599                 /* apps will have to restart stream */
 600                 break;
 601
 602         default:
 603                 return -EINVAL;
 604         }
 605         return 0;
 606 }
 607
 608 /*
 609  */
 610
 611 #define DMA_STARTS      (VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
 612         VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
 613 #define DMA_PAUSES      (VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
 614         VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
 615
 616 static const unsigned int stdclock_rate_list[16] = {
 617         48000, 24000, 12000, 9600, 32000, 16000, 8000, 96000, 44100,
 618         22050, 11025, 88200, 176400, 0, 192000, 64000
 619 };
 620
 621 static unsigned int stdclock_get_rate(struct snd_ice1712 *ice)
 622 {
 623         unsigned int rate;
 624         rate = stdclock_rate_list[inb(ICEMT1724(ice, RATE)) & 15];
 625         return rate;
 626 }
 627
 628 static void stdclock_set_rate(struct snd_ice1712 *ice, unsigned int rate)
 629 {
 630         int i;
 631         for (i = 0; i < ARRAY_SIZE(stdclock_rate_list); i++) {
 632                 if (stdclock_rate_list[i] == rate) {
 633                         outb(i, ICEMT1724(ice, RATE));
 634                         return;
 635                 }
 636         }
 637 }
 638
 639 static unsigned char stdclock_set_mclk(struct snd_ice1712 *ice,
 640                                        unsigned int rate)
 641 {
 642         unsigned char val, old;
 643         /* check MT02 */
 644         if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
 645                 val = old = inb(ICEMT1724(ice, I2S_FORMAT));
 646                 if (rate > 96000)
 647                         val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
 648                 else
 649                         val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
 650                 if (val != old) {
 651                         outb(val, ICEMT1724(ice, I2S_FORMAT));
 652                         /* master clock changed */
 653                         return 1;
 654                 }
 655         }
 656         /* no change in master clock */
 657         return 0;
 658 }
 659
 660 static int snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
 661                                     int force)
 662 {
 663         unsigned long flags;
 664         unsigned char mclk_change;
 665         unsigned int i, old_rate;
 666
 667         if (rate > ice->hw_rates->list[ice->hw_rates->count - 1])
 668                 return -EINVAL;
 669
 670         spin_lock_irqsave(&ice->reg_lock, flags);
 671         if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
 672             (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
 673                 /* running? we cannot change the rate now... */
 674                 spin_unlock_irqrestore(&ice->reg_lock, flags);
 675                 return ((rate == ice->cur_rate) && !force) ? 0 : -EBUSY;
 676         }
 677         if (!force && is_pro_rate_locked(ice)) {
 678                 /* comparing required and current rate - makes sense for
 679                  * internal clock only */
 680                 spin_unlock_irqrestore(&ice->reg_lock, flags);
 681                 return (rate == ice->cur_rate) ? 0 : -EBUSY;
 682         }
 683
 684         if (force || !ice->is_spdif_master(ice)) {
 685                 /* force means the rate was switched by ucontrol, otherwise
 686                  * setting clock rate for internal clock mode */
 687                 old_rate = ice->get_rate(ice);
 688                 if (force || (old_rate != rate))
 689                         ice->set_rate(ice, rate);
 690                 else if (rate == ice->cur_rate) {
 691                         spin_unlock_irqrestore(&ice->reg_lock, flags);
 692                         return 0;
 693                 }
 694         }
 695
 696         ice->cur_rate = rate;
 697
 698         /* setting master clock */
 699         mclk_change = ice->set_mclk(ice, rate);
 700
 701         spin_unlock_irqrestore(&ice->reg_lock, flags);
 702
 703         if (mclk_change && ice->gpio.i2s_mclk_changed)
 704                 ice->gpio.i2s_mclk_changed(ice);
 705         if (ice->gpio.set_pro_rate)
 706                 ice->gpio.set_pro_rate(ice, rate);
 707
 708         /* set up codecs */
 709         for (i = 0; i < ice->akm_codecs; i++) {
 710                 if (ice->akm[i].ops.set_rate_val)
 711                         ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
 712         }
 713         if (ice->spdif.ops.setup_rate)
 714                 ice->spdif.ops.setup_rate(ice, rate);
 715
 716         return 0;
 717 }
 718
 719 static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
 720                                     struct snd_pcm_hw_params *hw_params)
 721 {
 722         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 723         int i, chs, err;
 724
 725         chs = params_channels(hw_params);
 726         mutex_lock(&ice->open_mutex);
 727         /* mark surround channels */
 728         if (substream == ice->playback_pro_substream) {
 729                 /* PDMA0 can be multi-channel up to 8 */
 730                 chs = chs / 2 - 1;
 731                 for (i = 0; i < chs; i++) {
 732                         if (ice->pcm_reserved[i] &&
 733                             ice->pcm_reserved[i] != substream) {
 734                                 mutex_unlock(&ice->open_mutex);
 735                                 return -EBUSY;
 736                         }
 737                         ice->pcm_reserved[i] = substream;
 738                 }
 739                 for (; i < 3; i++) {
 740                         if (ice->pcm_reserved[i] == substream)
 741                                 ice->pcm_reserved[i] = NULL;
 742                 }
 743         } else {
 744                 for (i = 0; i < 3; i++) {
 745                         /* check individual playback stream */
 746                         if (ice->playback_con_substream_ds[i] == substream) {
 747                                 if (ice->pcm_reserved[i] &&
 748                                     ice->pcm_reserved[i] != substream) {
 749                                         mutex_unlock(&ice->open_mutex);
 750                                         return -EBUSY;
 751                                 }
 752                                 ice->pcm_reserved[i] = substream;
 753                                 break;
 754                         }
 755                 }
 756         }
 757         mutex_unlock(&ice->open_mutex);
 758
 759         err = snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
 760         if (err < 0)
 761                 return err;
 762
 763         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 764 }
 765
 766 static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
 767 {
 768         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 769         int i;
 770
 771         mutex_lock(&ice->open_mutex);
 772         /* unmark surround channels */
 773         for (i = 0; i < 3; i++)
 774                 if (ice->pcm_reserved[i] == substream)
 775                         ice->pcm_reserved[i] = NULL;
 776         mutex_unlock(&ice->open_mutex);
 777         return snd_pcm_lib_free_pages(substream);
 778 }
 779
 780 static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
 781 {
 782         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 783         unsigned char val;
 784         unsigned int size;
 785
 786         spin_lock_irq(&ice->reg_lock);
 787         val = (8 - substream->runtime->channels) >> 1;
 788         outb(val, ICEMT1724(ice, BURST));
 789
 790         outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
 791
 792         size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
 793         /* outl(size, ICEMT1724(ice, PLAYBACK_SIZE)); */
 794         outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
 795         outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
 796         size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
 797         /* outl(size, ICEMT1724(ice, PLAYBACK_COUNT)); */
 798         outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
 799         outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
 800
 801         spin_unlock_irq(&ice->reg_lock);
 802
 803         /*
 804         printk(KERN_DEBUG "pro prepare: ch = %d, addr = 0x%x, "
 805                "buffer = 0x%x, period = 0x%x\n",
 806                substream->runtime->channels,
 807                (unsigned int)substream->runtime->dma_addr,
 808                snd_pcm_lib_buffer_bytes(substream),
 809                snd_pcm_lib_period_bytes(substream));
 810         */
 811         return 0;
 812 }
 813
 814 static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
 815 {
 816         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 817         size_t ptr;
 818
 819         if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
 820                 return 0;
 821 #if 0 /* read PLAYBACK_ADDR */
 822         ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
 823         if (ptr < substream->runtime->dma_addr) {
 824                 snd_printd("ice1724: invalid negative ptr\n");
 825                 return 0;
 826         }
 827         ptr -= substream->runtime->dma_addr;
 828         ptr = bytes_to_frames(substream->runtime, ptr);
 829         if (ptr >= substream->runtime->buffer_size) {
 830                 snd_printd("ice1724: invalid ptr %d (size=%d)\n",
 831                            (int)ptr, (int)substream->runtime->period_size);
 832                 return 0;
 833         }
 834 #else /* read PLAYBACK_SIZE */
 835         ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
 836         ptr = (ptr + 1) << 2;
 837         ptr = bytes_to_frames(substream->runtime, ptr);
 838         if (!ptr)
 839                 ;
 840         else if (ptr <= substream->runtime->buffer_size)
 841                 ptr = substream->runtime->buffer_size - ptr;
 842         else {
 843                 snd_printd("ice1724: invalid ptr %d (size=%d)\n",
 844                            (int)ptr, (int)substream->runtime->buffer_size);
 845                 ptr = 0;
 846         }
 847 #endif
 848         return ptr;
 849 }
 850
 851 static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
 852 {
 853         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 854         const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
 855
 856         spin_lock_irq(&ice->reg_lock);
 857         outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
 858         outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
 859              ice->profi_port + reg->size);
 860         outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
 861              ice->profi_port + reg->count);
 862         spin_unlock_irq(&ice->reg_lock);
 863         return 0;
 864 }
 865
 866 static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
 867 {
 868         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 869         const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
 870         size_t ptr;
 871
 872         if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
 873                 return 0;
 874 #if 0 /* use ADDR register */
 875         ptr = inl(ice->profi_port + reg->addr);
 876         ptr -= substream->runtime->dma_addr;
 877         return bytes_to_frames(substream->runtime, ptr);
 878 #else /* use SIZE register */
 879         ptr = inw(ice->profi_port + reg->size);
 880         ptr = (ptr + 1) << 2;
 881         ptr = bytes_to_frames(substream->runtime, ptr);
 882         if (!ptr)
 883                 ;
 884         else if (ptr <= substream->runtime->buffer_size)
 885                 ptr = substream->runtime->buffer_size - ptr;
 886         else {
 887                 snd_printd("ice1724: invalid ptr %d (size=%d)\n",
 888                            (int)ptr, (int)substream->runtime->buffer_size);
 889                 ptr = 0;
 890         }
 891         return ptr;
 892 #endif
 893 }
 894
 895 static const struct vt1724_pcm_reg vt1724_pdma0_reg = {
 896         .addr = VT1724_MT_PLAYBACK_ADDR,
 897         .size = VT1724_MT_PLAYBACK_SIZE,
 898         .count = VT1724_MT_PLAYBACK_COUNT,
 899         .start = VT1724_PDMA0_START,
 900 };
 901
 902 static const struct vt1724_pcm_reg vt1724_pdma4_reg = {
 903         .addr = VT1724_MT_PDMA4_ADDR,
 904         .size = VT1724_MT_PDMA4_SIZE,
 905         .count = VT1724_MT_PDMA4_COUNT,
 906         .start = VT1724_PDMA4_START,
 907 };
 908
 909 static const struct vt1724_pcm_reg vt1724_rdma0_reg = {
 910         .addr = VT1724_MT_CAPTURE_ADDR,
 911         .size = VT1724_MT_CAPTURE_SIZE,
 912         .count = VT1724_MT_CAPTURE_COUNT,
 913         .start = VT1724_RDMA0_START,
 914 };
 915
 916 static const struct vt1724_pcm_reg vt1724_rdma1_reg = {
 917         .addr = VT1724_MT_RDMA1_ADDR,
 918         .size = VT1724_MT_RDMA1_SIZE,
 919         .count = VT1724_MT_RDMA1_COUNT,
 920         .start = VT1724_RDMA1_START,
 921 };
 922
 923 #define vt1724_playback_pro_reg vt1724_pdma0_reg
 924 #define vt1724_playback_spdif_reg vt1724_pdma4_reg
 925 #define vt1724_capture_pro_reg vt1724_rdma0_reg
 926 #define vt1724_capture_spdif_reg vt1724_rdma1_reg
 927
 928 static const struct snd_pcm_hardware snd_vt1724_playback_pro = {
 929         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 930                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 931                                  SNDRV_PCM_INFO_MMAP_VALID |
 932                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
 933         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
 934         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
 935         .rate_min =             8000,
 936         .rate_max =             192000,
 937         .channels_min =         2,
 938         .channels_max =         8,
 939         .buffer_bytes_max =     (1UL << 21),    /* 19bits dword */
 940         .period_bytes_min =     8 * 4 * 2,      /* FIXME: constraints needed */
 941         .period_bytes_max =     (1UL << 21),
 942         .periods_min =          2,
 943         .periods_max =          1024,
 944 };
 945
 946 static const struct snd_pcm_hardware snd_vt1724_spdif = {
 947         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 948                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 949                                  SNDRV_PCM_INFO_MMAP_VALID |
 950                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
 951         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
 952         .rates =                (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
 953                                  SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
 954                                  SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
 955                                  SNDRV_PCM_RATE_192000),
 956         .rate_min =             32000,
 957         .rate_max =             192000,
 958         .channels_min =         2,
 959         .channels_max =         2,
 960         .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
 961         .period_bytes_min =     2 * 4 * 2,
 962         .period_bytes_max =     (1UL << 18),
 963         .periods_min =          2,
 964         .periods_max =          1024,
 965 };
 966
 967 static const struct snd_pcm_hardware snd_vt1724_2ch_stereo = {
 968         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 969                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 970                                  SNDRV_PCM_INFO_MMAP_VALID |
 971                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
 972         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
 973         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
 974         .rate_min =             8000,
 975         .rate_max =             192000,
 976         .channels_min =         2,
 977         .channels_max =         2,
 978         .buffer_bytes_max =     (1UL << 18),    /* 16bits dword */
 979         .period_bytes_min =     2 * 4 * 2,
 980         .period_bytes_max =     (1UL << 18),
 981         .periods_min =          2,
 982         .periods_max =          1024,
 983 };
 984
 985 /*
 986  * set rate constraints
 987  */
 988 static void set_std_hw_rates(struct snd_ice1712 *ice)
 989 {
 990         if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
 991                 /* I2S */
 992                 /* VT1720 doesn't support more than 96kHz */
 993                 if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
 994                         ice->hw_rates = &hw_constraints_rates_192;
 995                 else
 996                         ice->hw_rates = &hw_constraints_rates_96;
 997         } else {
 998                 /* ACLINK */
 999                 ice->hw_rates = &hw_constraints_rates_48;
1000         }
1001 }
1002
1003 static int set_rate_constraints(struct snd_ice1712 *ice,
1004                                 struct snd_pcm_substream *substream)
1005 {
1006         struct snd_pcm_runtime *runtime = substream->runtime;
1007
1008         runtime->hw.rate_min = ice->hw_rates->list[0];
1009         runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
1010         runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
1011         return snd_pcm_hw_constraint_list(runtime, 0,
1012                                           SNDRV_PCM_HW_PARAM_RATE,
1013                                           ice->hw_rates);
1014 }
1015
1016 /* multi-channel playback needs alignment 8x32bit regardless of the channels
1017  * actually used
1018  */
1019 #define VT1724_BUFFER_ALIGN     0x20
1020
1021 static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
1022 {
1023         struct snd_pcm_runtime *runtime = substream->runtime;
1024         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1025         int chs, num_indeps;
1026
1027         runtime->private_data = (void *)&vt1724_playback_pro_reg;
1028         ice->playback_pro_substream = substream;
1029         runtime->hw = snd_vt1724_playback_pro;
1030         snd_pcm_set_sync(substream);
1031         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1032         set_rate_constraints(ice, substream);
1033         mutex_lock(&ice->open_mutex);
1034         /* calculate the currently available channels */
1035         num_indeps = ice->num_total_dacs / 2 - 1;
1036         for (chs = 0; chs < num_indeps; chs++) {
1037                 if (ice->pcm_reserved[chs])
1038                         break;
1039         }
1040         chs = (chs + 1) * 2;
1041         runtime->hw.channels_max = chs;
1042         if (chs > 2) /* channels must be even */
1043                 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1044         mutex_unlock(&ice->open_mutex);
1045         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1046                                    VT1724_BUFFER_ALIGN);
1047         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1048                                    VT1724_BUFFER_ALIGN);
1049         if (ice->pro_open)
1050                 ice->pro_open(ice, substream);
1051         return 0;
1052 }
1053
1054 static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
1055 {
1056         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1057         struct snd_pcm_runtime *runtime = substream->runtime;
1058
1059         runtime->private_data = (void *)&vt1724_capture_pro_reg;
1060         ice->capture_pro_substream = substream;
1061         runtime->hw = snd_vt1724_2ch_stereo;
1062         snd_pcm_set_sync(substream);
1063         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1064         set_rate_constraints(ice, substream);
1065         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1066                                    VT1724_BUFFER_ALIGN);
1067         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1068                                    VT1724_BUFFER_ALIGN);
1069         if (ice->pro_open)
1070                 ice->pro_open(ice, substream);
1071         return 0;
1072 }
1073
1074 static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
1075 {
1076         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1077
1078         if (PRO_RATE_RESET)
1079                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1080         ice->playback_pro_substream = NULL;
1081
1082         return 0;
1083 }
1084
1085 static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
1086 {
1087         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1088
1089         if (PRO_RATE_RESET)
1090                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1091         ice->capture_pro_substream = NULL;
1092         return 0;
1093 }
1094
1095 static struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1096         .open =         snd_vt1724_playback_pro_open,
1097         .close =        snd_vt1724_playback_pro_close,
1098         .ioctl =        snd_pcm_lib_ioctl,
1099         .hw_params =    snd_vt1724_pcm_hw_params,
1100         .hw_free =      snd_vt1724_pcm_hw_free,
1101         .prepare =      snd_vt1724_playback_pro_prepare,
1102         .trigger =      snd_vt1724_pcm_trigger,
1103         .pointer =      snd_vt1724_playback_pro_pointer,
1104 };
1105
1106 static struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1107         .open =         snd_vt1724_capture_pro_open,
1108         .close =        snd_vt1724_capture_pro_close,
1109         .ioctl =        snd_pcm_lib_ioctl,
1110         .hw_params =    snd_vt1724_pcm_hw_params,
1111         .hw_free =      snd_vt1724_pcm_hw_free,
1112         .prepare =      snd_vt1724_pcm_prepare,
1113         .trigger =      snd_vt1724_pcm_trigger,
1114         .pointer =      snd_vt1724_pcm_pointer,
1115 };
1116
1117 static int __devinit snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
1118 {
1119         struct snd_pcm *pcm;
1120         int capt, err;
1121
1122         if ((ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_ADC_MASK) ==
1123             VT1724_CFG_ADC_NONE)
1124                 capt = 0;
1125         else
1126                 capt = 1;
1127         err = snd_pcm_new(ice->card, "ICE1724", device, 1, capt, &pcm);
1128         if (err < 0)
1129                 return err;
1130
1131         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1132         if (capt)
1133                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1134                         &snd_vt1724_capture_pro_ops);
1135
1136         pcm->private_data = ice;
1137         pcm->info_flags = 0;
1138         strcpy(pcm->name, "ICE1724");
1139
1140         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1141                                               snd_dma_pci_data(ice->pci),
1142                                               256*1024, 256*1024);
1143
1144         ice->pcm_pro = pcm;
1145
1146         return 0;
1147 }
1148
1149
1150 /*
1151  * SPDIF PCM
1152  */
1153
1154 /* update spdif control bits; call with reg_lock */
1155 static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1156 {
1157         unsigned char cbit, disabled;
1158
1159         cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1160         disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1161         if (cbit != disabled)
1162                 outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1163         outw(val, ICEMT1724(ice, SPDIF_CTRL));
1164         if (cbit != disabled)
1165                 outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1166         outw(val, ICEMT1724(ice, SPDIF_CTRL));
1167 }
1168
1169 /* update SPDIF control bits according to the given rate */
1170 static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1171 {
1172         unsigned int val, nval;
1173         unsigned long flags;
1174
1175         spin_lock_irqsave(&ice->reg_lock, flags);
1176         nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1177         nval &= ~(7 << 12);
1178         switch (rate) {
1179         case 44100: break;
1180         case 48000: nval |= 2 << 12; break;
1181         case 32000: nval |= 3 << 12; break;
1182         case 88200: nval |= 4 << 12; break;
1183         case 96000: nval |= 5 << 12; break;
1184         case 192000: nval |= 6 << 12; break;
1185         case 176400: nval |= 7 << 12; break;
1186         }
1187         if (val != nval)
1188                 update_spdif_bits(ice, nval);
1189         spin_unlock_irqrestore(&ice->reg_lock, flags);
1190 }
1191
1192 static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1193 {
1194         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1195         if (!ice->force_pdma4)
1196                 update_spdif_rate(ice, substream->runtime->rate);
1197         return snd_vt1724_pcm_prepare(substream);
1198 }
1199
1200 static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1201 {
1202         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1203         struct snd_pcm_runtime *runtime = substream->runtime;
1204
1205         runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1206         ice->playback_con_substream = substream;
1207         if (ice->force_pdma4) {
1208                 runtime->hw = snd_vt1724_2ch_stereo;
1209                 set_rate_constraints(ice, substream);
1210         } else
1211                 runtime->hw = snd_vt1724_spdif;
1212         snd_pcm_set_sync(substream);
1213         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1214         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1215                                    VT1724_BUFFER_ALIGN);
1216         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1217                                    VT1724_BUFFER_ALIGN);
1218         if (ice->spdif.ops.open)
1219                 ice->spdif.ops.open(ice, substream);
1220         return 0;
1221 }
1222
1223 static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1224 {
1225         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1226
1227         if (PRO_RATE_RESET)
1228                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1229         ice->playback_con_substream = NULL;
1230         if (ice->spdif.ops.close)
1231                 ice->spdif.ops.close(ice, substream);
1232
1233         return 0;
1234 }
1235
1236 static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1237 {
1238         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1239         struct snd_pcm_runtime *runtime = substream->runtime;
1240
1241         runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1242         ice->capture_con_substream = substream;
1243         if (ice->force_rdma1) {
1244                 runtime->hw = snd_vt1724_2ch_stereo;
1245                 set_rate_constraints(ice, substream);
1246         } else
1247                 runtime->hw = snd_vt1724_spdif;
1248         snd_pcm_set_sync(substream);
1249         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1250         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1251                                    VT1724_BUFFER_ALIGN);
1252         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1253                                    VT1724_BUFFER_ALIGN);
1254         if (ice->spdif.ops.open)
1255                 ice->spdif.ops.open(ice, substream);
1256         return 0;
1257 }
1258
1259 static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1260 {
1261         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1262
1263         if (PRO_RATE_RESET)
1264                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1265         ice->capture_con_substream = NULL;
1266         if (ice->spdif.ops.close)
1267                 ice->spdif.ops.close(ice, substream);
1268
1269         return 0;
1270 }
1271
1272 static struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1273         .open =         snd_vt1724_playback_spdif_open,
1274         .close =        snd_vt1724_playback_spdif_close,
1275         .ioctl =        snd_pcm_lib_ioctl,
1276         .hw_params =    snd_vt1724_pcm_hw_params,
1277         .hw_free =      snd_vt1724_pcm_hw_free,
1278         .prepare =      snd_vt1724_playback_spdif_prepare,
1279         .trigger =      snd_vt1724_pcm_trigger,
1280         .pointer =      snd_vt1724_pcm_pointer,
1281 };
1282
1283 static struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1284         .open =         snd_vt1724_capture_spdif_open,
1285         .close =        snd_vt1724_capture_spdif_close,
1286         .ioctl =        snd_pcm_lib_ioctl,
1287         .hw_params =    snd_vt1724_pcm_hw_params,
1288         .hw_free =      snd_vt1724_pcm_hw_free,
1289         .prepare =      snd_vt1724_pcm_prepare,
1290         .trigger =      snd_vt1724_pcm_trigger,
1291         .pointer =      snd_vt1724_pcm_pointer,
1292 };
1293
1294
1295 static int __devinit snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
1296 {
1297         char *name;
1298         struct snd_pcm *pcm;
1299         int play, capt;
1300         int err;
1301
1302         if (ice->force_pdma4 ||
1303             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1304                 play = 1;
1305                 ice->has_spdif = 1;
1306         } else
1307                 play = 0;
1308         if (ice->force_rdma1 ||
1309             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1310                 capt = 1;
1311                 ice->has_spdif = 1;
1312         } else
1313                 capt = 0;
1314         if (!play && !capt)
1315                 return 0; /* no spdif device */
1316
1317         if (ice->force_pdma4 || ice->force_rdma1)
1318                 name = "ICE1724 Secondary";
1319         else
1320                 name = "ICE1724 IEC958";
1321         err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1322         if (err < 0)
1323                 return err;
1324
1325         if (play)
1326                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1327                                 &snd_vt1724_playback_spdif_ops);
1328         if (capt)
1329                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1330                                 &snd_vt1724_capture_spdif_ops);
1331
1332         pcm->private_data = ice;
1333         pcm->info_flags = 0;
1334         strcpy(pcm->name, name);
1335
1336         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1337                                               snd_dma_pci_data(ice->pci),
1338                                               256*1024, 256*1024);
1339
1340         ice->pcm = pcm;
1341
1342         return 0;
1343 }
1344
1345
1346 /*
1347  * independent surround PCMs
1348  */
1349
1350 static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1351         {
1352                 .addr = VT1724_MT_PDMA1_ADDR,
1353                 .size = VT1724_MT_PDMA1_SIZE,
1354                 .count = VT1724_MT_PDMA1_COUNT,
1355                 .start = VT1724_PDMA1_START,
1356         },
1357         {
1358                 .addr = VT1724_MT_PDMA2_ADDR,
1359                 .size = VT1724_MT_PDMA2_SIZE,
1360                 .count = VT1724_MT_PDMA2_COUNT,
1361                 .start = VT1724_PDMA2_START,
1362         },
1363         {
1364                 .addr = VT1724_MT_PDMA3_ADDR,
1365                 .size = VT1724_MT_PDMA3_SIZE,
1366                 .count = VT1724_MT_PDMA3_COUNT,
1367                 .start = VT1724_PDMA3_START,
1368         },
1369 };
1370
1371 static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1372 {
1373         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1374         unsigned char val;
1375
1376         spin_lock_irq(&ice->reg_lock);
1377         val = 3 - substream->number;
1378         if (inb(ICEMT1724(ice, BURST)) < val)
1379                 outb(val, ICEMT1724(ice, BURST));
1380         spin_unlock_irq(&ice->reg_lock);
1381         return snd_vt1724_pcm_prepare(substream);
1382 }
1383
1384 static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1385 {
1386         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1387         struct snd_pcm_runtime *runtime = substream->runtime;
1388
1389         mutex_lock(&ice->open_mutex);
1390         /* already used by PDMA0? */
1391         if (ice->pcm_reserved[substream->number]) {
1392                 mutex_unlock(&ice->open_mutex);
1393                 return -EBUSY; /* FIXME: should handle blocking mode properly */
1394         }
1395         mutex_unlock(&ice->open_mutex);
1396         runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1397         ice->playback_con_substream_ds[substream->number] = substream;
1398         runtime->hw = snd_vt1724_2ch_stereo;
1399         snd_pcm_set_sync(substream);
1400         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1401         set_rate_constraints(ice, substream);
1402         return 0;
1403 }
1404
1405 static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1406 {
1407         struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1408
1409         if (PRO_RATE_RESET)
1410                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1411         ice->playback_con_substream_ds[substream->number] = NULL;
1412         ice->pcm_reserved[substream->number] = NULL;
1413
1414         return 0;
1415 }
1416
1417 static struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1418         .open =         snd_vt1724_playback_indep_open,
1419         .close =        snd_vt1724_playback_indep_close,
1420         .ioctl =        snd_pcm_lib_ioctl,
1421         .hw_params =    snd_vt1724_pcm_hw_params,
1422         .hw_free =      snd_vt1724_pcm_hw_free,
1423         .prepare =      snd_vt1724_playback_indep_prepare,
1424         .trigger =      snd_vt1724_pcm_trigger,
1425         .pointer =      snd_vt1724_pcm_pointer,
1426 };
1427
1428
1429 static int __devinit snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
1430 {
1431         struct snd_pcm *pcm;
1432         int play;
1433         int err;
1434
1435         play = ice->num_total_dacs / 2 - 1;
1436         if (play <= 0)
1437                 return 0;
1438
1439         err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1440         if (err < 0)
1441                 return err;
1442
1443         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1444                         &snd_vt1724_playback_indep_ops);
1445
1446         pcm->private_data = ice;
1447         pcm->info_flags = 0;
1448         strcpy(pcm->name, "ICE1724 Surround PCM");
1449
1450         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1451                                               snd_dma_pci_data(ice->pci),
1452                                               256*1024, 256*1024);
1453
1454         ice->pcm_ds = pcm;
1455
1456         return 0;
1457 }
1458
1459
1460 /*
1461  *  Mixer section
1462  */
1463
1464 static int __devinit snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
1465 {
1466         int err;
1467
1468         if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1469                 struct snd_ac97_bus *pbus;
1470                 struct snd_ac97_template ac97;
1471                 static struct snd_ac97_bus_ops ops = {
1472                         .write = snd_vt1724_ac97_write,
1473                         .read = snd_vt1724_ac97_read,
1474                 };
1475
1476                 /* cold reset */
1477                 outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1478                 mdelay(5); /* FIXME */
1479                 outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1480
1481                 err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus);
1482                 if (err < 0)
1483                         return err;
1484                 memset(&ac97, 0, sizeof(ac97));
1485                 ac97.private_data = ice;
1486                 err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
1487                 if (err < 0)
1488                         printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n");
1489                 else
1490                         return 0;
1491         }
1492         /* I2S mixer only */
1493         strcat(ice->card->mixername, "ICE1724 - multitrack");
1494         return 0;
1495 }
1496
1497 /*
1498  *
1499  */
1500
1501 static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1502 {
1503         return (unsigned int)ice->eeprom.data[idx] | \
1504                 ((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1505                 ((unsigned int)ice->eeprom.data[idx + 2] << 16);
1506 }
1507
1508 static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1509                                  struct snd_info_buffer *buffer)
1510 {
1511         struct snd_ice1712 *ice = entry->private_data;
1512         unsigned int idx;
1513
1514         snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1515         snd_iprintf(buffer, "EEPROM:\n");
1516
1517         snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1518         snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1519         snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1520         snd_iprintf(buffer, "  System Config    : 0x%x\n",
1521                     ice->eeprom.data[ICE_EEP2_SYSCONF]);
1522         snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1523                     ice->eeprom.data[ICE_EEP2_ACLINK]);
1524         snd_iprintf(buffer, "  I2S              : 0x%x\n",
1525                     ice->eeprom.data[ICE_EEP2_I2S]);
1526         snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1527                     ice->eeprom.data[ICE_EEP2_SPDIF]);
1528         snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1529                     ice->eeprom.gpiodir);
1530         snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1531                     ice->eeprom.gpiomask);
1532         snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1533                     ice->eeprom.gpiostate);
1534         for (idx = 0x12; idx < ice->eeprom.size; idx++)
1535                 snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1536                             idx, ice->eeprom.data[idx]);
1537
1538         snd_iprintf(buffer, "\nRegisters:\n");
1539
1540         snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1541                     (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1542         for (idx = 0x0; idx < 0x20 ; idx++)
1543                 snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1544                             idx, inb(ice->port+idx));
1545         for (idx = 0x0; idx < 0x30 ; idx++)
1546                 snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1547                             idx, inb(ice->profi_port+idx));
1548 }
1549
1550 static void __devinit snd_vt1724_proc_init(struct snd_ice1712 *ice)
1551 {
1552         struct snd_info_entry *entry;
1553
1554         if (!snd_card_proc_new(ice->card, "ice1724", &entry))
1555                 snd_info_set_text_ops(entry, ice, snd_vt1724_proc_read);
1556 }
1557
1558 /*
1559  *
1560  */
1561
1562 static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1563                                   struct snd_ctl_elem_info *uinfo)
1564 {
1565         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1566         uinfo->count = sizeof(struct snd_ice1712_eeprom);
1567         return 0;
1568 }
1569
1570 static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1571                                  struct snd_ctl_elem_value *ucontrol)
1572 {
1573         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1574
1575         memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1576         return 0;
1577 }
1578
1579 static struct snd_kcontrol_new snd_vt1724_eeprom __devinitdata = {
1580         .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1581         .name = "ICE1724 EEPROM",
1582         .access = SNDRV_CTL_ELEM_ACCESS_READ,
1583         .info = snd_vt1724_eeprom_info,
1584         .get = snd_vt1724_eeprom_get
1585 };
1586
1587 /*
1588  */
1589 static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1590                                  struct snd_ctl_elem_info *uinfo)
1591 {
1592         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1593         uinfo->count = 1;
1594         return 0;
1595 }
1596
1597 static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1598 {
1599         unsigned int val, rbits;
1600
1601         val = diga->status[0] & 0x03; /* professional, non-audio */
1602         if (val & 0x01) {
1603                 /* professional */
1604                 if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1605                     IEC958_AES0_PRO_EMPHASIS_5015)
1606                         val |= 1U << 3;
1607                 rbits = (diga->status[4] >> 3) & 0x0f;
1608                 if (rbits) {
1609                         switch (rbits) {
1610                         case 2: val |= 5 << 12; break; /* 96k */
1611                         case 3: val |= 6 << 12; break; /* 192k */
1612                         case 10: val |= 4 << 12; break; /* 88.2k */
1613                         case 11: val |= 7 << 12; break; /* 176.4k */
1614                         }
1615                 } else {
1616                         switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1617                         case IEC958_AES0_PRO_FS_44100:
1618                                 break;
1619                         case IEC958_AES0_PRO_FS_32000:
1620                                 val |= 3U << 12;
1621                                 break;
1622                         default:
1623                                 val |= 2U << 12;
1624                                 break;
1625                         }
1626                 }
1627         } else {
1628                 /* consumer */
1629                 val |= diga->status[1] & 0x04; /* copyright */
1630                 if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1631                     IEC958_AES0_CON_EMPHASIS_5015)
1632                         val |= 1U << 3;
1633                 val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1634                 val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1635         }
1636         return val;
1637 }
1638
1639 static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1640 {
1641         memset(diga->status, 0, sizeof(diga->status));
1642         diga->status[0] = val & 0x03; /* professional, non-audio */
1643         if (val & 0x01) {
1644                 /* professional */
1645                 if (val & (1U << 3))
1646                         diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1647                 switch ((val >> 12) & 0x7) {
1648                 case 0:
1649                         break;
1650                 case 2:
1651                         diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1652                         break;
1653                 default:
1654                         diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1655                         break;
1656                 }
1657         } else {
1658                 /* consumer */
1659                 diga->status[0] |= val & (1U << 2); /* copyright */
1660                 if (val & (1U << 3))
1661                         diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1662                 diga->status[1] |= (val >> 4) & 0x3f; /* category */
1663                 diga->status[3] |= (val >> 12) & 0x07; /* fs */
1664         }
1665 }
1666
1667 static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1668                                         struct snd_ctl_elem_value *ucontrol)
1669 {
1670         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1671         unsigned int val;
1672         val = inw(ICEMT1724(ice, SPDIF_CTRL));
1673         decode_spdif_bits(&ucontrol->value.iec958, val);
1674         return 0;
1675 }
1676
1677 static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1678                                          struct snd_ctl_elem_value *ucontrol)
1679 {
1680         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1681         unsigned int val, old;
1682
1683         val = encode_spdif_bits(&ucontrol->value.iec958);
1684         spin_lock_irq(&ice->reg_lock);
1685         old = inw(ICEMT1724(ice, SPDIF_CTRL));
1686         if (val != old)
1687                 update_spdif_bits(ice, val);
1688         spin_unlock_irq(&ice->reg_lock);
1689         return val != old;
1690 }
1691
1692 static struct snd_kcontrol_new snd_vt1724_spdif_default __devinitdata =
1693 {
1694         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1695         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1696         .info =         snd_vt1724_spdif_info,
1697         .get =          snd_vt1724_spdif_default_get,
1698         .put =          snd_vt1724_spdif_default_put
1699 };
1700
1701 static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1702                                        struct snd_ctl_elem_value *ucontrol)
1703 {
1704         ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1705                                                      IEC958_AES0_PROFESSIONAL |
1706                                                      IEC958_AES0_CON_NOT_COPYRIGHT |
1707                                                      IEC958_AES0_CON_EMPHASIS;
1708         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1709                                                      IEC958_AES1_CON_CATEGORY;
1710         ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1711         return 0;
1712 }
1713
1714 static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1715                                        struct snd_ctl_elem_value *ucontrol)
1716 {
1717         ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1718                                                      IEC958_AES0_PROFESSIONAL |
1719                                                      IEC958_AES0_PRO_FS |
1720                                                      IEC958_AES0_PRO_EMPHASIS;
1721         return 0;
1722 }
1723
1724 static struct snd_kcontrol_new snd_vt1724_spdif_maskc __devinitdata =
1725 {
1726         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1727         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1728         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1729         .info =         snd_vt1724_spdif_info,
1730         .get =          snd_vt1724_spdif_maskc_get,
1731 };
1732
1733 static struct snd_kcontrol_new snd_vt1724_spdif_maskp __devinitdata =
1734 {
1735         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1736         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1737         .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1738         .info =         snd_vt1724_spdif_info,
1739         .get =          snd_vt1724_spdif_maskp_get,
1740 };
1741
1742 #define snd_vt1724_spdif_sw_info                snd_ctl_boolean_mono_info
1743
1744 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1745                                    struct snd_ctl_elem_value *ucontrol)
1746 {
1747         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1748         ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1749                 VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1750         return 0;
1751 }
1752
1753 static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1754                                    struct snd_ctl_elem_value *ucontrol)
1755 {
1756         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1757         unsigned char old, val;
1758
1759         spin_lock_irq(&ice->reg_lock);
1760         old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1761         val &= ~VT1724_CFG_SPDIF_OUT_EN;
1762         if (ucontrol->value.integer.value[0])
1763                 val |= VT1724_CFG_SPDIF_OUT_EN;
1764         if (old != val)
1765                 outb(val, ICEREG1724(ice, SPDIF_CFG));
1766         spin_unlock_irq(&ice->reg_lock);
1767         return old != val;
1768 }
1769
1770 static struct snd_kcontrol_new snd_vt1724_spdif_switch __devinitdata =
1771 {
1772         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
1773         /* FIXME: the following conflict with IEC958 Playback Route */
1774         /* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1775         .name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1776         .info =         snd_vt1724_spdif_sw_info,
1777         .get =          snd_vt1724_spdif_sw_get,
1778         .put =          snd_vt1724_spdif_sw_put
1779 };
1780
1781
1782 #if 0 /* NOT USED YET */
1783 /*
1784  * GPIO access from extern
1785  */
1786
1787 #define snd_vt1724_gpio_info            snd_ctl_boolean_mono_info
1788
1789 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1790                         struct snd_ctl_elem_value *ucontrol)
1791 {
1792         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1793         int shift = kcontrol->private_value & 0xff;
1794         int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1795
1796         snd_ice1712_save_gpio_status(ice);
1797         ucontrol->value.integer.value[0] =
1798                 (snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1799         snd_ice1712_restore_gpio_status(ice);
1800         return 0;
1801 }
1802
1803 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1804                          struct snd_ctl_elem_value *ucontrol)
1805 {
1806         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1807         int shift = kcontrol->private_value & 0xff;
1808         int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1809         unsigned int val, nval;
1810
1811         if (kcontrol->private_value & (1 << 31))
1812                 return -EPERM;
1813         nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1814         snd_ice1712_save_gpio_status(ice);
1815         val = snd_ice1712_gpio_read(ice);
1816         nval |= val & ~(1 << shift);
1817         if (val != nval)
1818                 snd_ice1712_gpio_write(ice, nval);
1819         snd_ice1712_restore_gpio_status(ice);
1820         return val != nval;
1821 }
1822 #endif /* NOT USED YET */
1823
1824 /*
1825  *  rate
1826  */
1827 static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1828                                               struct snd_ctl_elem_info *uinfo)
1829 {
1830         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1831         int hw_rates_count = ice->hw_rates->count;
1832         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1833         uinfo->count = 1;
1834
1835         /* internal clocks */
1836         uinfo->value.enumerated.items = hw_rates_count;
1837         /* external clocks */
1838         if (ice->force_rdma1 ||
1839             (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN))
1840                 uinfo->value.enumerated.items += ice->ext_clock_count;
1841         /* upper limit - keep at top */
1842         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1843                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1844         if (uinfo->value.enumerated.item >= hw_rates_count)
1845                 /* ext_clock items */
1846                 strcpy(uinfo->value.enumerated.name,
1847                                 ice->ext_clock_names[
1848                                 uinfo->value.enumerated.item - hw_rates_count]);
1849         else
1850                 /* int clock items */
1851                 sprintf(uinfo->value.enumerated.name, "%d",
1852                         ice->hw_rates->list[uinfo->value.enumerated.item]);
1853         return 0;
1854 }
1855
1856 static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1857                                              struct snd_ctl_elem_value *ucontrol)
1858 {
1859         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1860         unsigned int i, rate;
1861
1862         spin_lock_irq(&ice->reg_lock);
1863         if (ice->is_spdif_master(ice)) {
1864                 ucontrol->value.enumerated.item[0] = ice->hw_rates->count +
1865                         ice->get_spdif_master_type(ice);
1866         } else {
1867                 rate = ice->get_rate(ice);
1868                 ucontrol->value.enumerated.item[0] = 0;
1869                 for (i = 0; i < ice->hw_rates->count; i++) {
1870                         if (ice->hw_rates->list[i] == rate) {
1871                                 ucontrol->value.enumerated.item[0] = i;
1872                                 break;
1873                         }
1874                 }
1875         }
1876         spin_unlock_irq(&ice->reg_lock);
1877         return 0;
1878 }
1879
1880 static int stdclock_get_spdif_master_type(struct snd_ice1712 *ice)
1881 {
1882         /* standard external clock - only single type - SPDIF IN */
1883         return 0;
1884 }
1885
1886 /* setting clock to external - SPDIF */
1887 static int stdclock_set_spdif_clock(struct snd_ice1712 *ice, int type)
1888 {
1889         unsigned char oval;
1890         unsigned char i2s_oval;
1891         oval = inb(ICEMT1724(ice, RATE));
1892         outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1893         /* setting 256fs */
1894         i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1895         outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1896         return 0;
1897 }
1898
1899
1900 static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1901                                              struct snd_ctl_elem_value *ucontrol)
1902 {
1903         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1904         unsigned int old_rate, new_rate;
1905         unsigned int item = ucontrol->value.enumerated.item[0];
1906         unsigned int first_ext_clock = ice->hw_rates->count;
1907
1908         if (item >  first_ext_clock + ice->ext_clock_count - 1)
1909                 return -EINVAL;
1910
1911         /* if rate = 0 => external clock */
1912         spin_lock_irq(&ice->reg_lock);
1913         if (ice->is_spdif_master(ice))
1914                 old_rate = 0;
1915         else
1916                 old_rate = ice->get_rate(ice);
1917         if (item >= first_ext_clock) {
1918                 /* switching to external clock */
1919                 ice->set_spdif_clock(ice, item - first_ext_clock);
1920                 new_rate = 0;
1921         } else {
1922                 /* internal on-card clock */
1923                 new_rate = ice->hw_rates->list[item];
1924                 ice->pro_rate_default = new_rate;
1925                 spin_unlock_irq(&ice->reg_lock);
1926                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1927                 spin_lock_irq(&ice->reg_lock);
1928         }
1929         spin_unlock_irq(&ice->reg_lock);
1930
1931         /* the first switch to the ext. clock mode? */
1932         if (old_rate != new_rate && !new_rate) {
1933                 /* notify akm chips as well */
1934                 unsigned int i;
1935                 if (ice->gpio.set_pro_rate)
1936                         ice->gpio.set_pro_rate(ice, 0);
1937                 for (i = 0; i < ice->akm_codecs; i++) {
1938                         if (ice->akm[i].ops.set_rate_val)
1939                                 ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1940                 }
1941         }
1942         return old_rate != new_rate;
1943 }
1944
1945 static struct snd_kcontrol_new snd_vt1724_pro_internal_clock __devinitdata = {
1946         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1947         .name = "Multi Track Internal Clock",
1948         .info = snd_vt1724_pro_internal_clock_info,
1949         .get = snd_vt1724_pro_internal_clock_get,
1950         .put = snd_vt1724_pro_internal_clock_put
1951 };
1952
1953 #define snd_vt1724_pro_rate_locking_info        snd_ctl_boolean_mono_info
1954
1955 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1956                                            struct snd_ctl_elem_value *ucontrol)
1957 {
1958         ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1959         return 0;
1960 }
1961
1962 static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1963                                            struct snd_ctl_elem_value *ucontrol)
1964 {
1965         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1966         int change = 0, nval;
1967
1968         nval = ucontrol->value.integer.value[0] ? 1 : 0;
1969         spin_lock_irq(&ice->reg_lock);
1970         change = PRO_RATE_LOCKED != nval;
1971         PRO_RATE_LOCKED = nval;
1972         spin_unlock_irq(&ice->reg_lock);
1973         return change;
1974 }
1975
1976 static struct snd_kcontrol_new snd_vt1724_pro_rate_locking __devinitdata = {
1977         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1978         .name = "Multi Track Rate Locking",
1979         .info = snd_vt1724_pro_rate_locking_info,
1980         .get = snd_vt1724_pro_rate_locking_get,
1981         .put = snd_vt1724_pro_rate_locking_put
1982 };
1983
1984 #define snd_vt1724_pro_rate_reset_info          snd_ctl_boolean_mono_info
1985
1986 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1987                                          struct snd_ctl_elem_value *ucontrol)
1988 {
1989         ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1990         return 0;
1991 }
1992
1993 static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
1994                                          struct snd_ctl_elem_value *ucontrol)
1995 {
1996         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1997         int change = 0, nval;
1998
1999         nval = ucontrol->value.integer.value[0] ? 1 : 0;
2000         spin_lock_irq(&ice->reg_lock);
2001         change = PRO_RATE_RESET != nval;
2002         PRO_RATE_RESET = nval;
2003         spin_unlock_irq(&ice->reg_lock);
2004         return change;
2005 }
2006
2007 static struct snd_kcontrol_new snd_vt1724_pro_rate_reset __devinitdata = {
2008         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2009         .name = "Multi Track Rate Reset",
2010         .info = snd_vt1724_pro_rate_reset_info,
2011         .get = snd_vt1724_pro_rate_reset_get,
2012         .put = snd_vt1724_pro_rate_reset_put
2013 };
2014
2015
2016 /*
2017  * routing
2018  */
2019 static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
2020                                      struct snd_ctl_elem_info *uinfo)
2021 {
2022         static char *texts[] = {
2023                 "PCM Out", /* 0 */
2024                 "H/W In 0", "H/W In 1", /* 1-2 */
2025                 "IEC958 In L", "IEC958 In R", /* 3-4 */
2026         };
2027
2028         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2029         uinfo->count = 1;
2030         uinfo->value.enumerated.items = 5;
2031         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2032                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2033         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2034         return 0;
2035 }
2036
2037 static inline int analog_route_shift(int idx)
2038 {
2039         return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
2040 }
2041
2042 static inline int digital_route_shift(int idx)
2043 {
2044         return idx * 3;
2045 }
2046
2047 int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift)
2048 {
2049         unsigned long val;
2050         unsigned char eitem;
2051         static const unsigned char xlate[8] = {
2052                 0, 255, 1, 2, 255, 255, 3, 4,
2053         };
2054
2055         val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2056         val >>= shift;
2057         val &= 7; /* we now have 3 bits per output */
2058         eitem = xlate[val];
2059         if (eitem == 255) {
2060                 snd_BUG();
2061                 return 0;
2062         }
2063         return eitem;
2064 }
2065
2066 int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
2067                                                                 int shift)
2068 {
2069         unsigned int old_val, nval;
2070         int change;
2071         static const unsigned char xroute[8] = {
2072                 0, /* PCM */
2073                 2, /* PSDIN0 Left */
2074                 3, /* PSDIN0 Right */
2075                 6, /* SPDIN Left */
2076                 7, /* SPDIN Right */
2077         };
2078
2079         nval = xroute[val % 5];
2080         val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2081         val &= ~(0x07 << shift);
2082         val |= nval << shift;
2083         change = val != old_val;
2084         if (change)
2085                 outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
2086         return change;
2087 }
2088
2089 static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
2090                                            struct snd_ctl_elem_value *ucontrol)
2091 {
2092         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2093         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2094         ucontrol->value.enumerated.item[0] =
2095                 snd_ice1724_get_route_val(ice, analog_route_shift(idx));
2096         return 0;
2097 }
2098
2099 static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
2100                                            struct snd_ctl_elem_value *ucontrol)
2101 {
2102         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2103         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2104         return snd_ice1724_put_route_val(ice,
2105                                          ucontrol->value.enumerated.item[0],
2106                                          analog_route_shift(idx));
2107 }
2108
2109 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2110                                           struct snd_ctl_elem_value *ucontrol)
2111 {
2112         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2113         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2114         ucontrol->value.enumerated.item[0] =
2115                 snd_ice1724_get_route_val(ice, digital_route_shift(idx));
2116         return 0;
2117 }
2118
2119 static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2120                                           struct snd_ctl_elem_value *ucontrol)
2121 {
2122         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2123         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2124         return snd_ice1724_put_route_val(ice,
2125                                          ucontrol->value.enumerated.item[0],
2126                                          digital_route_shift(idx));
2127 }
2128
2129 static struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route __devinitdata =
2130 {
2131         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2132         .name = "H/W Playback Route",
2133         .info = snd_vt1724_pro_route_info,
2134         .get = snd_vt1724_pro_route_analog_get,
2135         .put = snd_vt1724_pro_route_analog_put,
2136 };
2137
2138 static struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route __devinitdata = {
2139         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2140         .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2141         .info = snd_vt1724_pro_route_info,
2142         .get = snd_vt1724_pro_route_spdif_get,
2143         .put = snd_vt1724_pro_route_spdif_put,
2144         .count = 2,
2145 };
2146
2147
2148 static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2149                                     struct snd_ctl_elem_info *uinfo)
2150 {
2151         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2152         uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2153         uinfo->value.integer.min = 0;
2154         uinfo->value.integer.max = 255;
2155         return 0;
2156 }
2157
2158 static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2159                                    struct snd_ctl_elem_value *ucontrol)
2160 {
2161         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2162         int idx;
2163
2164         spin_lock_irq(&ice->reg_lock);
2165         for (idx = 0; idx < 22; idx++) {
2166                 outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2167                 ucontrol->value.integer.value[idx] =
2168                         inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2169         }
2170         spin_unlock_irq(&ice->reg_lock);
2171         return 0;
2172 }
2173
2174 static struct snd_kcontrol_new snd_vt1724_mixer_pro_peak __devinitdata = {
2175         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2176         .name = "Multi Track Peak",
2177         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2178         .info = snd_vt1724_pro_peak_info,
2179         .get = snd_vt1724_pro_peak_get
2180 };
2181
2182 /*
2183  *
2184  */
2185
2186 static struct snd_ice1712_card_info no_matched __devinitdata;
2187
2188 static struct snd_ice1712_card_info *card_tables[] __devinitdata = {
2189         snd_vt1724_revo_cards,
2190         snd_vt1724_amp_cards,
2191         snd_vt1724_aureon_cards,
2192         snd_vt1720_mobo_cards,
2193         snd_vt1720_pontis_cards,
2194         snd_vt1724_prodigy_hifi_cards,
2195         snd_vt1724_prodigy192_cards,
2196         snd_vt1724_juli_cards,
2197         snd_vt1724_maya44_cards,
2198         snd_vt1724_phase_cards,
2199         snd_vt1724_wtm_cards,
2200         snd_vt1724_se_cards,
2201         snd_vt1724_qtet_cards,
2202         NULL,
2203 };
2204
2205
2206 /*
2207  */
2208
2209 static void wait_i2c_busy(struct snd_ice1712 *ice)
2210 {
2211         int t = 0x10000;
2212         while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2213                 ;
2214         if (t == -1)
2215                 printk(KERN_ERR "ice1724: i2c busy timeout\n");
2216 }
2217
2218 unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2219                                   unsigned char dev, unsigned char addr)
2220 {
2221         unsigned char val;
2222
2223         mutex_lock(&ice->i2c_mutex);
2224         wait_i2c_busy(ice);
2225         outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2226         outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2227         wait_i2c_busy(ice);
2228         val = inb(ICEREG1724(ice, I2C_DATA));
2229         mutex_unlock(&ice->i2c_mutex);
2230         /*
2231         printk(KERN_DEBUG "i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
2232         */
2233         return val;
2234 }
2235
2236 void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2237                           unsigned char dev, unsigned char addr, unsigned char data)
2238 {
2239         mutex_lock(&ice->i2c_mutex);
2240         wait_i2c_busy(ice);
2241         /*
2242         printk(KERN_DEBUG "i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2243         */
2244         outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2245         outb(data, ICEREG1724(ice, I2C_DATA));
2246         outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2247         wait_i2c_busy(ice);
2248         mutex_unlock(&ice->i2c_mutex);
2249 }
2250
2251 static int __devinit snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2252                                             const char *modelname)
2253 {
2254         const int dev = 0xa0;           /* EEPROM device address */
2255         unsigned int i, size;
2256         struct snd_ice1712_card_info * const *tbl, *c;
2257
2258         if (!modelname || !*modelname) {
2259                 ice->eeprom.subvendor = 0;
2260                 if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2261                         ice->eeprom.subvendor =
2262                                 (snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2263                                 (snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2264                                 (snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2265                                 (snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2266                 if (ice->eeprom.subvendor == 0 ||
2267                     ice->eeprom.subvendor == (unsigned int)-1) {
2268                         /* invalid subvendor from EEPROM, try the PCI
2269                          * subststem ID instead
2270                          */
2271                         u16 vendor, device;
2272                         pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2273                                              &vendor);
2274                         pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2275                         ice->eeprom.subvendor =
2276                                 ((unsigned int)swab16(vendor) << 16) | swab16(device);
2277                         if (ice->eeprom.subvendor == 0 ||
2278                             ice->eeprom.subvendor == (unsigned int)-1) {
2279                                 printk(KERN_ERR "ice1724: No valid ID is found\n");
2280                                 return -ENXIO;
2281                         }
2282                 }
2283         }
2284         for (tbl = card_tables; *tbl; tbl++) {
2285                 for (c = *tbl; c->name; c++) {
2286                         if (modelname && c->model &&
2287                             !strcmp(modelname, c->model)) {
2288                                 printk(KERN_INFO "ice1724: Using board model %s\n",
2289                                        c->name);
2290                                 ice->eeprom.subvendor = c->subvendor;
2291                         } else if (c->subvendor != ice->eeprom.subvendor)
2292                                 continue;
2293                         if (!c->eeprom_size || !c->eeprom_data)
2294                                 goto found;
2295                         /* if the EEPROM is given by the driver, use it */
2296                         snd_printdd("using the defined eeprom..\n");
2297                         ice->eeprom.version = 2;
2298                         ice->eeprom.size = c->eeprom_size + 6;
2299                         memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2300                         goto read_skipped;
2301                 }
2302         }
2303         printk(KERN_WARNING "ice1724: No matching model found for ID 0x%x\n",
2304                ice->eeprom.subvendor);
2305
2306  found:
2307         ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2308         if (ice->eeprom.size < 6)
2309                 ice->eeprom.size = 32;
2310         else if (ice->eeprom.size > 32) {
2311                 printk(KERN_ERR "ice1724: Invalid EEPROM (size = %i)\n",
2312                        ice->eeprom.size);
2313                 return -EIO;
2314         }
2315         ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2316         if (ice->eeprom.version != 2)
2317                 printk(KERN_WARNING "ice1724: Invalid EEPROM version %i\n",
2318                        ice->eeprom.version);
2319         size = ice->eeprom.size - 6;
2320         for (i = 0; i < size; i++)
2321                 ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2322
2323  read_skipped:
2324         ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2325         ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2326         ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2327
2328         return 0;
2329 }
2330
2331
2332
2333 static void snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2334 {
2335         outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2336         inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2337         msleep(10);
2338         outb(0, ICEREG1724(ice, CONTROL));
2339         inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2340         msleep(10);
2341 }
2342
2343 static int snd_vt1724_chip_init(struct snd_ice1712 *ice)
2344 {
2345         outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2346         outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2347         outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2348         outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2349
2350         ice->gpio.write_mask = ice->eeprom.gpiomask;
2351         ice->gpio.direction = ice->eeprom.gpiodir;
2352         snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2353         snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2354         snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2355
2356         outb(0, ICEREG1724(ice, POWERDOWN));
2357
2358         /* MPU_RX and TX irq masks are cleared later dynamically */
2359         outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
2360
2361         /* don't handle FIFO overrun/underruns (just yet),
2362          * since they cause machine lockups
2363          */
2364         outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2365
2366         return 0;
2367 }
2368
2369 static int __devinit snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2370 {
2371         int err;
2372         struct snd_kcontrol *kctl;
2373
2374         if (snd_BUG_ON(!ice->pcm))
2375                 return -EIO;
2376
2377         if (!ice->own_routing) {
2378                 err = snd_ctl_add(ice->card,
2379                         snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2380                 if (err < 0)
2381                         return err;
2382         }
2383
2384         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2385         if (err < 0)
2386                 return err;
2387
2388         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice));
2389         if (err < 0)
2390                 return err;
2391         kctl->id.device = ice->pcm->device;
2392         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice));
2393         if (err < 0)
2394                 return err;
2395         kctl->id.device = ice->pcm->device;
2396         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice));
2397         if (err < 0)
2398                 return err;
2399         kctl->id.device = ice->pcm->device;
2400 #if 0 /* use default only */
2401         err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice));
2402         if (err < 0)
2403                 return err;
2404         kctl->id.device = ice->pcm->device;
2405         ice->spdif.stream_ctl = kctl;
2406 #endif
2407         return 0;
2408 }
2409
2410
2411 static int __devinit snd_vt1724_build_controls(struct snd_ice1712 *ice)
2412 {
2413         int err;
2414
2415         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2416         if (err < 0)
2417                 return err;
2418         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2419         if (err < 0)
2420                 return err;
2421
2422         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2423         if (err < 0)
2424                 return err;
2425         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2426         if (err < 0)
2427                 return err;
2428
2429         if (!ice->own_routing && ice->num_total_dacs > 0) {
2430                 struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2431                 tmp.count = ice->num_total_dacs;
2432                 if (ice->vt1720 && tmp.count > 2)
2433                         tmp.count = 2;
2434                 err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2435                 if (err < 0)
2436                         return err;
2437         }
2438
2439         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2440         if (err < 0)
2441                 return err;
2442
2443         return 0;
2444 }
2445
2446 static int snd_vt1724_free(struct snd_ice1712 *ice)
2447 {
2448         if (!ice->port)
2449                 goto __hw_end;
2450         /* mask all interrupts */
2451         outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2452         outb(0xff, ICEREG1724(ice, IRQMASK));
2453         /* --- */
2454 __hw_end:
2455         if (ice->irq >= 0)
2456                 free_irq(ice->irq, ice);
2457         pci_release_regions(ice->pci);
2458         snd_ice1712_akm4xxx_free(ice);
2459         pci_disable_device(ice->pci);
2460         kfree(ice->spec);
2461         kfree(ice);
2462         return 0;
2463 }
2464
2465 static int snd_vt1724_dev_free(struct snd_device *device)
2466 {
2467         struct snd_ice1712 *ice = device->device_data;
2468         return snd_vt1724_free(ice);
2469 }
2470
2471 static int __devinit snd_vt1724_create(struct snd_card *card,
2472                                        struct pci_dev *pci,
2473                                        const char *modelname,
2474                                        struct snd_ice1712 **r_ice1712)
2475 {
2476         struct snd_ice1712 *ice;
2477         int err;
2478         static struct snd_device_ops ops = {
2479                 .dev_free =     snd_vt1724_dev_free,
2480         };
2481
2482         *r_ice1712 = NULL;
2483
2484         /* enable PCI device */
2485         err = pci_enable_device(pci);
2486         if (err < 0)
2487                 return err;
2488
2489         ice = kzalloc(sizeof(*ice), GFP_KERNEL);
2490         if (ice == NULL) {
2491                 pci_disable_device(pci);
2492                 return -ENOMEM;
2493         }
2494         ice->vt1724 = 1;
2495         spin_lock_init(&ice->reg_lock);
2496         mutex_init(&ice->gpio_mutex);
2497         mutex_init(&ice->open_mutex);
2498         mutex_init(&ice->i2c_mutex);
2499         ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2500         ice->gpio.get_mask = snd_vt1724_get_gpio_mask;
2501         ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2502         ice->gpio.get_dir = snd_vt1724_get_gpio_dir;
2503         ice->gpio.set_data = snd_vt1724_set_gpio_data;
2504         ice->gpio.get_data = snd_vt1724_get_gpio_data;
2505         ice->card = card;
2506         ice->pci = pci;
2507         ice->irq = -1;
2508         pci_set_master(pci);
2509         snd_vt1724_proc_init(ice);
2510         synchronize_irq(pci->irq);
2511
2512         card->private_data = ice;
2513
2514         err = pci_request_regions(pci, "ICE1724");
2515         if (err < 0) {
2516                 kfree(ice);
2517                 pci_disable_device(pci);
2518                 return err;
2519         }
2520         ice->port = pci_resource_start(pci, 0);
2521         ice->profi_port = pci_resource_start(pci, 1);
2522
2523         if (request_irq(pci->irq, snd_vt1724_interrupt,
2524                         IRQF_SHARED, KBUILD_MODNAME, ice)) {
2525                 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2526                 snd_vt1724_free(ice);
2527                 return -EIO;
2528         }
2529
2530         ice->irq = pci->irq;
2531
2532         snd_vt1724_chip_reset(ice);
2533         if (snd_vt1724_read_eeprom(ice, modelname) < 0) {
2534                 snd_vt1724_free(ice);
2535                 return -EIO;
2536         }
2537         if (snd_vt1724_chip_init(ice) < 0) {
2538                 snd_vt1724_free(ice);
2539                 return -EIO;
2540         }
2541
2542         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops);
2543         if (err < 0) {
2544                 snd_vt1724_free(ice);
2545                 return err;
2546         }
2547
2548         snd_card_set_dev(card, &pci->dev);
2549
2550         *r_ice1712 = ice;
2551         return 0;
2552 }
2553
2554
2555 /*
2556  *
2557  * Registration
2558  *
2559  */
2560
2561 static int __devinit snd_vt1724_probe(struct pci_dev *pci,
2562                                       const struct pci_device_id *pci_id)
2563 {
2564         static int dev;
2565         struct snd_card *card;
2566         struct snd_ice1712 *ice;
2567         int pcm_dev = 0, err;
2568         struct snd_ice1712_card_info * const *tbl, *c;
2569
2570         if (dev >= SNDRV_CARDS)
2571                 return -ENODEV;
2572         if (!enable[dev]) {
2573                 dev++;
2574                 return -ENOENT;
2575         }
2576
2577         err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
2578         if (err < 0)
2579                 return err;
2580
2581         strcpy(card->driver, "ICE1724");
2582         strcpy(card->shortname, "ICEnsemble ICE1724");
2583
2584         err = snd_vt1724_create(card, pci, model[dev], &ice);
2585         if (err < 0) {
2586                 snd_card_free(card);
2587                 return err;
2588         }
2589
2590         /* field init before calling chip_init */
2591         ice->ext_clock_count = 0;
2592
2593         for (tbl = card_tables; *tbl; tbl++) {
2594                 for (c = *tbl; c->name; c++) {
2595                         if ((model[dev] && c->model &&
2596                              !strcmp(model[dev], c->model)) ||
2597                             (c->subvendor == ice->eeprom.subvendor)) {
2598                                 strcpy(card->shortname, c->name);
2599                                 if (c->driver) /* specific driver? */
2600                                         strcpy(card->driver, c->driver);
2601                                 if (c->chip_init) {
2602                                         err = c->chip_init(ice);
2603                                         if (err < 0) {
2604                                                 snd_card_free(card);
2605                                                 return err;
2606                                         }
2607                                 }
2608                                 goto __found;
2609                         }
2610                 }
2611         }
2612         c = &no_matched;
2613 __found:
2614         /*
2615         * VT1724 has separate DMAs for the analog and the SPDIF streams while
2616         * ICE1712 has only one for both (mixed up).
2617         *
2618         * Confusingly the analog PCM is named "professional" here because it
2619         * was called so in ice1712 driver, and vt1724 driver is derived from
2620         * ice1712 driver.
2621         */
2622         ice->pro_rate_default = PRO_RATE_DEFAULT;
2623         if (!ice->is_spdif_master)
2624                 ice->is_spdif_master = stdclock_is_spdif_master;
2625         if (!ice->get_rate)
2626                 ice->get_rate = stdclock_get_rate;
2627         if (!ice->set_rate)
2628                 ice->set_rate = stdclock_set_rate;
2629         if (!ice->set_mclk)
2630                 ice->set_mclk = stdclock_set_mclk;
2631         if (!ice->set_spdif_clock)
2632                 ice->set_spdif_clock = stdclock_set_spdif_clock;
2633         if (!ice->get_spdif_master_type)
2634                 ice->get_spdif_master_type = stdclock_get_spdif_master_type;
2635         if (!ice->ext_clock_names)
2636                 ice->ext_clock_names = ext_clock_names;
2637         if (!ice->ext_clock_count)
2638                 ice->ext_clock_count = ARRAY_SIZE(ext_clock_names);
2639
2640         if (!ice->hw_rates)
2641                 set_std_hw_rates(ice);
2642
2643         err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2644         if (err < 0) {
2645                 snd_card_free(card);
2646                 return err;
2647         }
2648
2649         err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2650         if (err < 0) {
2651                 snd_card_free(card);
2652                 return err;
2653         }
2654
2655         err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2656         if (err < 0) {
2657                 snd_card_free(card);
2658                 return err;
2659         }
2660
2661         err = snd_vt1724_ac97_mixer(ice);
2662         if (err < 0) {
2663                 snd_card_free(card);
2664                 return err;
2665         }
2666
2667         err = snd_vt1724_build_controls(ice);
2668         if (err < 0) {
2669                 snd_card_free(card);
2670                 return err;
2671         }
2672
2673         if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2674                 err = snd_vt1724_spdif_build_controls(ice);
2675                 if (err < 0) {
2676                         snd_card_free(card);
2677                         return err;
2678                 }
2679         }
2680
2681         if (c->build_controls) {
2682                 err = c->build_controls(ice);
2683                 if (err < 0) {
2684                         snd_card_free(card);
2685                         return err;
2686                 }
2687         }
2688
2689         if (!c->no_mpu401) {
2690                 if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2691                         struct snd_rawmidi *rmidi;
2692
2693                         err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2694                         if (err < 0) {
2695                                 snd_card_free(card);
2696                                 return err;
2697                         }
2698                         ice->rmidi[0] = rmidi;
2699                         rmidi->private_data = ice;
2700                         strcpy(rmidi->name, "ICE1724 MIDI");
2701                         rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2702                                             SNDRV_RAWMIDI_INFO_INPUT |
2703                                             SNDRV_RAWMIDI_INFO_DUPLEX;
2704                         snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2705                                             &vt1724_midi_output_ops);
2706                         snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2707                                             &vt1724_midi_input_ops);
2708
2709                         /* set watermarks */
2710                         outb(VT1724_MPU_RX_FIFO | 0x1,
2711                              ICEREG1724(ice, MPU_FIFO_WM));
2712                         outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2713                         /* set UART mode */
2714                         outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2715                 }
2716         }
2717
2718         sprintf(card->longname, "%s at 0x%lx, irq %i",
2719                 card->shortname, ice->port, ice->irq);
2720
2721         err = snd_card_register(card);
2722         if (err < 0) {
2723                 snd_card_free(card);
2724                 return err;
2725         }
2726         pci_set_drvdata(pci, card);
2727         dev++;
2728         return 0;
2729 }
2730
2731 static void __devexit snd_vt1724_remove(struct pci_dev *pci)
2732 {
2733         snd_card_free(pci_get_drvdata(pci));
2734         pci_set_drvdata(pci, NULL);
2735 }
2736
2737 #ifdef CONFIG_PM
2738 static int snd_vt1724_suspend(struct pci_dev *pci, pm_message_t state)
2739 {
2740         struct snd_card *card = pci_get_drvdata(pci);
2741         struct snd_ice1712 *ice = card->private_data;
2742
2743         if (!ice->pm_suspend_enabled)
2744                 return 0;
2745
2746         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2747
2748         snd_pcm_suspend_all(ice->pcm);
2749         snd_pcm_suspend_all(ice->pcm_pro);
2750         snd_pcm_suspend_all(ice->pcm_ds);
2751         snd_ac97_suspend(ice->ac97);
2752
2753         spin_lock_irq(&ice->reg_lock);
2754         ice->pm_saved_is_spdif_master = ice->is_spdif_master(ice);
2755         ice->pm_saved_spdif_ctrl = inw(ICEMT1724(ice, SPDIF_CTRL));
2756         ice->pm_saved_spdif_cfg = inb(ICEREG1724(ice, SPDIF_CFG));
2757         ice->pm_saved_route = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2758         spin_unlock_irq(&ice->reg_lock);
2759
2760         if (ice->pm_suspend)
2761                 ice->pm_suspend(ice);
2762
2763         pci_disable_device(pci);
2764         pci_save_state(pci);
2765         pci_set_power_state(pci, pci_choose_state(pci, state));
2766         return 0;
2767 }
2768
2769 static int snd_vt1724_resume(struct pci_dev *pci)
2770 {
2771         struct snd_card *card = pci_get_drvdata(pci);
2772         struct snd_ice1712 *ice = card->private_data;
2773
2774         if (!ice->pm_suspend_enabled)
2775                 return 0;
2776
2777         pci_set_power_state(pci, PCI_D0);
2778         pci_restore_state(pci);
2779
2780         if (pci_enable_device(pci) < 0) {
2781                 snd_card_disconnect(card);
2782                 return -EIO;
2783         }
2784
2785         pci_set_master(pci);
2786
2787         snd_vt1724_chip_reset(ice);
2788
2789         if (snd_vt1724_chip_init(ice) < 0) {
2790                 snd_card_disconnect(card);
2791                 return -EIO;
2792         }
2793
2794         if (ice->pm_resume)
2795                 ice->pm_resume(ice);
2796
2797         if (ice->pm_saved_is_spdif_master) {
2798                 /* switching to external clock via SPDIF */
2799                 ice->set_spdif_clock(ice, 0);
2800         } else {
2801                 /* internal on-card clock */
2802                 snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
2803         }
2804
2805         update_spdif_bits(ice, ice->pm_saved_spdif_ctrl);
2806
2807         outb(ice->pm_saved_spdif_cfg, ICEREG1724(ice, SPDIF_CFG));
2808         outl(ice->pm_saved_route, ICEMT1724(ice, ROUTE_PLAYBACK));
2809
2810         if (ice->ac97)
2811                 snd_ac97_resume(ice->ac97);
2812
2813         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2814         return 0;
2815 }
2816 #endif
2817
2818 static struct pci_driver driver = {
2819         .name = KBUILD_MODNAME,
2820         .id_table = snd_vt1724_ids,
2821         .probe = snd_vt1724_probe,
2822         .remove = __devexit_p(snd_vt1724_remove),
2823 #ifdef CONFIG_PM
2824         .suspend = snd_vt1724_suspend,
2825         .resume = snd_vt1724_resume,
2826 #endif
2827 };
2828
2829 static int __init alsa_card_ice1724_init(void)
2830 {
2831         return pci_register_driver(&driver);
2832 }
2833
2834 static void __exit alsa_card_ice1724_exit(void)
2835 {
2836         pci_unregister_driver(&driver);
2837 }
2838
2839 module_init(alsa_card_ice1724_init)
2840 module_exit(alsa_card_ice1724_exit)